Changing default folder temporarily is an old trick to make getfile() start
at it by default because there is no other way to do it with getfile()
Normally it's encapsulated in a method (like select_dir or similar) with
code that save actual dir, select dest dir, prompts user with getfile,
restores actual_dir and returns selected file.
All this is normally to minimize user errors selecting through directories
El jue., 8 nov. 2018 14:21, Peter Cushing <pcush...@whisperingsmith.com>
escribió:
> Hi Dave,
>
> I never change my default folder when the app is running and for things
> like output folders or getting data I usually just get the user to
> select the folder with :
>
> cImport = GETDIR('','Select upload folder')
>
> You can then ask for every report or save this for their session and
> keep outputting to this folder.
>
> Not quite sure why you need to change the default folder?
>
> Peter
>
> On 07/11/2018 10:56, Dave Crozier wrote:
> > Hi folks,
> > Just had an issue that has been bugging me for a while and I now why but
> I haven’t got a solution to hand… so maybe you can help.
> >
> > In lots of places we allow users to export their reports and spreadsheet
> results onto their own personal “C” drives. And to do this I implement
> >
> > … default folder set in prior coding
> >
> > cOld_Folder = SYS(5) + SYS(2003)
> > set default to <suggested destination folder>
> > cFile = Getfile(……..)
> > set default to (cOld_Folder)
> >
> > This code allows the user to be programmatically placed in the suggested
> folder to save/open files.
> >
> > Unknown to me after all these years, the set default to command has an
> effect on the whole of the VFP thread not just the DataSession you are in.
> Unfortunately for me I have a number of regular timers running that check
> whether any particular file or process is locked, or the system is
> available for use i.e. it can sometimes auto log out the user to allow
> system maintenance for example. The timers open tables and expect to be in
> the base folder of the application but issuing the above coding changes the
> base folder for ALL the application, hence throwing errors as the tables
> (all held relative to the application folder) cannot be found in the new
> location.
> >
> > So, if you action the Getfile() command and stay in the dialogue for a
> period of time during which the timers fire, then the timer coding cannot
> open it’s tables as you are no longer where it expects you to be.
> >
> > Looking at the help file ( OK, I should have looked at it years ago!!)
> it states:
> > “The SET DEFAULT command is not supported in either single or
> multithreaded DLL servers. This command changes the default directory of
> the entire process, so all threads which are part of the process are
> affected. Use the
> mk:@MSITStore:c:\program%20files%20(x86)\microsoft%20visual%20foxpro%209\dv_foxhelp.chm::/html/047f2e74-3552-43b7-a18d-ee2c7dd2db6e.htm
> in DLL servers, in place of CD and CHDIR.”
> > The pertinent fact being: This command changes the default directory of
> the entire process, so all threads which are part of the process are
> affected. The same thing goes for CD and Chdir so using those as
> replacements is not an option unfortunately.
> >
> > Has anyone any ideas as to how to produce a dialogue for saving/opening
> a file which doesn’t require the “set default to ” instruction?
> >
> > I can modify all the timers to open tables based upon absolute paths but
> this would be a mega change which I am trying to avoid. Of course I could
> roll my own Getfile() unless anyone has one available!!!
> >
> > All suggestions accepted, thanks in anticipation.
> >
> > Dave Crozier
> > Software Development Manager
> > Flexipol Packaging Ltd.
> >
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> >
> >
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